110221222021 has 8 divisors (see below), whose sum is σ = 113787362304. Its totient is φ = 106655745360.

The previous prime is 110221222009. The next prime is 110221222079. The reversal of 110221222021 is 120222122011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110221222021 - 2¹¹ = 110221219973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221221986 and 110221222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221222091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183351 + ... + 504043.

It is an arithmetic number, because the mean of its divisors is an integer number (14223420288).

Almost surely, 2^110221222021 is an apocalyptic number.

It is an amenable number.

110221222021 is a deficient number, since it is larger than the sum of its proper divisors (3566140283).

110221222021 is a wasteful number, since it uses less digits than its factorization.

110221222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331811.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110221222021 its reverse (120222122011), we get a palindrome (230443344032).

The spelling of 110221222021 in words is "one hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".